/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.sort.protocol.transformation;

import org.apache.inlong.sort.protocol.FieldInfo;

import lombok.Data;
import lombok.NoArgsConstructor;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonTypeInfo;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonTypeName;

/**
 * Defines the relation between fields from input to output field
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
@JsonTypeName("fieldRelation")
@Data
@NoArgsConstructor
public class FieldRelation {

    @JsonProperty("inputField")
    private FunctionParam inputField;
    @JsonProperty("outputField")
    private FieldInfo outputField;

    @JsonCreator
    public FieldRelation(@JsonProperty("inputField") FunctionParam inputField,
            @JsonProperty("outputField") FieldInfo outputField) {
        this.inputField = inputField;
        this.outputField = outputField;
    }
}
